Extrinsic 75337-1

{
  "heartbeat": {
    "blockNumber": 75336,
    "sessionIndex": 1255,
    "validatorsLen": 1,
    "authorityIndex": 0
  },
  "signature": "0xdecc045c66eb8d8f6e8fb329c65b33f308dd8aa73395ee8fb731deb070d77b6fe0242becd84b66a0d102f7ab2223367e21b6985c5c203f180cb57d2737bca18b"
}